CFR›Title 48›Chapter 3›Part 309 ContainsSubpart 309.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 309—CONTRACTOR QUALIFICATIONS Subparts 309.4 Subpart 309.4—Debarment, Suspension, and Ineligibility Sections 309.403–309.470-1 Authority5 U.S.C. 301; 40 U.S.C. 121(c)(2).Source80 FR 72151, Nov. 18, 2015, unless otherwise noted. Previous 308 Part 308—Required Sources of Supplies and Services Next 310 Part 310—Market Research